TY - JOUR
T1 - Using surface grafted poly(acrylamide) to simultaneously enhance the tensile strength, tensile modulus, and interfacial adhesion of carbon fibres in epoxy composites
AU - Dharmasiri, Bhagya
AU - Randall, James D.
AU - Stanfield, Melissa K.
AU - Ying, Yanting
AU - Andersson, Gunther G.
AU - Nepal, Dhriti
AU - Hayne, David J.
AU - Henderson, Luke C.
PY - 2022/1
Y1 - 2022/1
N2 - Surface initiated electro-polymerization of acrylamide on carbon fiber with methodically varied amounts of acrylamide monomer and N,N′-methylene bis-acrylamide crosslinker is explored in this study. The effect of the polymer coating on tensile strength, Young's modulus, and interfacial properties of carbon fibre in an epoxy resin was determined. A significant improvement in tensile strength, tensile modulus, and interfacial shear strength (IFSS) across all modified samples was observed, with the most notable improvements to tensile strength, tensile modulus and IFSS being 38%, 15% and 192.5%, respectively. This covalently bound polymer coating provides the best kind of solution for the two most crucial limitations of carbon fibre, with the minimum amount of effort, time, and cost.
AB - Surface initiated electro-polymerization of acrylamide on carbon fiber with methodically varied amounts of acrylamide monomer and N,N′-methylene bis-acrylamide crosslinker is explored in this study. The effect of the polymer coating on tensile strength, Young's modulus, and interfacial properties of carbon fibre in an epoxy resin was determined. A significant improvement in tensile strength, tensile modulus, and interfacial shear strength (IFSS) across all modified samples was observed, with the most notable improvements to tensile strength, tensile modulus and IFSS being 38%, 15% and 192.5%, respectively. This covalently bound polymer coating provides the best kind of solution for the two most crucial limitations of carbon fibre, with the minimum amount of effort, time, and cost.
KW - Adhesion
KW - Carbon fibers
KW - Composites
KW - Interface
KW - Interphase
KW - Sizing
UR - http://www.scopus.com/inward/record.url?scp=85118667245&partnerID=8YFLogxK
UR - http://purl.org/au-research/grants/ARC/DP180100094
UR - http://purl.org/au-research/grants/ARC/IH140100018
UR - http://purl.org/au-research/grants/ARC/IC160100032
U2 - 10.1016/j.carbon.2021.10.046
DO - 10.1016/j.carbon.2021.10.046
M3 - Article
AN - SCOPUS:85118667245
SN - 0008-6223
VL - 186
SP - 367
EP - 379
JO - Carbon
JF - Carbon
ER -